Brickwork Construction |

- Bricks used in the construction is available in different sizes based on the location for our present study let us take a standard size of modular brick is 190 X 90 X 90 mm.
- Assume Mortar thickness as 10 mm
- Cement mortar ratio 1:6
- Calculation is done for Brickwork volume 1cum (1 cubic metre) - Volume of your brickwork

Volume of bricks with mortar

Volume of 1 brick with mortar = 200 X 100 X 100 ( 10 mm mortar thickness on all sides)

= 0.2 X 0.1 X 0.1

Volume of brick with mortar = 0.002 Cum (m3)

Number of Bricks required for 1 cubic metre = 1/0.002 = 500 Numbers

Volume of bricks without mortar

Volume of 1 brick without mortar = 190 X 90 X 90

= 0.19 X 0.09 X 0.09 (converting to metre)

Volume of 1 brick without mortar = 0.001539 Cum (m3)

Volume of 500 bricks without mortar = 500 X 0.001539 Cum

Volume of bricks without mortar for 1 cum = 0.7695 Cum (m3)

Required amount of cement mortar = 1 Cum – Volume of bricks without mortar

= 1 – 0.7695

Required amount of Cement Mortar = 0.2305 Cum (m3) (Wet Condition)

The Calculated volume is in a wet condition that means we need 0.2305 cum cement mortar in mixed condition (after mixing water). In order to find the dry volume, we need to multiply 33 % as bulkage of sand.

Dry volume of a mortar = 0.2305 cum X 1.33 = 0.306565 cum

Mortar Ratio is 1:6

1 part cement and 6 part sand, total part 1+6 =7

Density of cement = 1440 kg, multiplying the 1440 kg density of cement with dry volume of mortar to calculate the cement quantity.

1= cement part

7= total

Required amount Cement quantity in brickwork = 0.306565 X 1/7 X 1440 kg

Required amount Cement quantity = 63 Kg = 1.26 bags

Approximately 1.26 bags if the bacg is 50 Kg

6 = Sand part

7 = total

Required amount of Sand = 0.306565 X 6/7 = 0.26277 Cubic metre

For 1Cubic metre of Brickwork, we require

**500 Bricks****63 Kg Cement****0.263 cum sand**

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